85789240 has 16 divisors (see below), whose sum is σ = 193025880. Its totient is φ = 34315680.

The previous prime is 85789219. The next prime is 85789247. The reversal of 85789240 is 4298758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85789247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072326 + ... + 1072405.

Almost surely, 2^85789240 is an apocalyptic number.

It is an amenable number.

85789240 is an abundant number, since it is smaller than the sum of its proper divisors (107236640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85789240 is a wasteful number, since it uses less digits than its factorization.

85789240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144742 (or 2144738 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 85789240 is about 9262.2481072362. The cubic root of 85789240 is about 441.0396215620.

The spelling of 85789240 in words is "eighty-five million, seven hundred eighty-nine thousand, two hundred forty".